Point minimumSize(int wHint, int hHint, boolean flushCache) { Control[] children = _getChildren(); int width = 0, height = 0; for (int i = 0; i < children.length; i++) { Control child = children[i]; int index = 0; int count = 0; long /*int*/ list = OS.gtk_container_get_children(handle); if (list != 0) { count = OS.g_list_length(list); OS.g_list_free(list); } while (index < count) { if (items[index].control == child) break; index++; } if (index == count) { Rectangle rect = child.getBounds(); width = Math.max(width, rect.x + rect.width); height = Math.max(height, rect.y + rect.height); } else { Point size = child.computeSize(wHint, hHint, flushCache); width = Math.max(width, size.x); height = Math.max(height, size.y); } } return new Point(width, height); }
public Point computeSize(int wHint, int hHint, boolean changed) { checkWidget(); Point size = super.computeSize(wHint, hHint, changed); if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0; if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0; boolean scrollable = OS.gtk_notebook_get_scrollable(handle); OS.gtk_notebook_set_scrollable(handle, false); Point notebookSize = computeNativeSize(handle, wHint, hHint, changed); OS.gtk_notebook_set_scrollable(handle, scrollable); size.x = Math.max(notebookSize.x, size.x); size.y = Math.max(notebookSize.y, size.y); return size; }
/** * Sets the font that the receiver will use to paint textual information for the specified cell in * this item to the font specified by the argument, or to the default font for that kind of * control if the argument is null. * * @param index the column index * @param font the new font (or null) * @exception IllegalArgumentException * <ul> * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed * </ul> * * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> * * @since 3.0 */ public void setFont(int index, Font font) { checkWidget(); if (font != null && font.isDisposed()) { SWT.error(SWT.ERROR_INVALID_ARGUMENT); } int count = Math.max(1, parent.getColumnCount()); if (0 > index || index > count - 1) return; if (cellFont == null) { if (font == null) return; cellFont = new Font[count]; } Font oldFont = cellFont[index]; if (oldFont == font) return; cellFont[index] = font; if (oldFont != null && oldFont.equals(font)) return; int modelIndex = parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex; int /*long*/ fontHandle = font != null ? font.handle : 0; OS.gtk_list_store_set(parent.modelHandle, handle, modelIndex + Table.CELL_FONT, fontHandle, -1); /* * Bug in GTK. When using fixed-height-mode, * row changes do not cause the row to be repainted. The fix is to * invalidate the row when it is cleared. */ if ((parent.style & SWT.VIRTUAL) != 0) { if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) { redraw(); } } cached = true; if (font != null) { boolean customDraw = (parent.columnCount == 0) ? parent.firstCustomDraw : parent.columns[index].customDraw; if (!customDraw) { if ((parent.style & SWT.VIRTUAL) == 0) { int /*long*/ parentHandle = parent.handle; int /*long*/ column = 0; if (parent.columnCount > 0) { column = parent.columns[index].handle; } else { column = OS.gtk_tree_view_get_column(parentHandle, index); } if (column == 0) return; int /*long*/ textRenderer = parent.getTextRenderer(column); int /*long*/ imageRenderer = parent.getPixbufRenderer(column); OS.gtk_tree_view_column_set_cell_data_func( column, textRenderer, display.cellDataProc, parentHandle, 0); OS.gtk_tree_view_column_set_cell_data_func( column, imageRenderer, display.cellDataProc, parentHandle, 0); } if (parent.columnCount == 0) { parent.firstCustomDraw = true; } else { parent.columns[index].customDraw = true; } } } }
/** * Sets the minimum value that the receiver will allow. This new value will be ignored if it is * negative or is not less than the receiver's current maximum value. If the new minimum is * applied then the receiver's selection value will be adjusted if necessary to fall within its * new range. * * @param value the new minimum, which must be nonnegative and less than the current maximum * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> */ public void setMinimum(int value) { checkWidget(); if (value < 0 || value >= maximum) return; minimum = value; selection = Math.max(selection, minimum); updateBar(selection, minimum, maximum); }
/** * Returns the font that the receiver will use to paint textual information for the specified cell * in this item. * * @param index the column index * @return the receiver's font * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> * * @since 3.0 */ public Font getFont(int index) { checkWidget(); if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED); int count = Math.max(1, parent.columnCount); if (0 > index || index > count - 1) return getFont(); if (cellFont == null || cellFont[index] == null) return getFont(); return cellFont[index]; }
/** * Sets the receiver's image at a column. * * @param index the column index * @param image the new image * @exception IllegalArgumentException * <ul> * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed * </ul> * * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> */ public void setImage(int index, Image image) { checkWidget(); if (image != null && image.isDisposed()) { error(SWT.ERROR_INVALID_ARGUMENT); } if (image != null && image.type == SWT.ICON) { if (image.equals(_getImage(index))) return; } int count = Math.max(1, parent.getColumnCount()); if (0 > index || index > count - 1) return; int /*long*/ pixbuf = 0; if (image != null) { ImageList imageList = parent.imageList; if (imageList == null) imageList = parent.imageList = new ImageList(); int imageIndex = imageList.indexOf(image); if (imageIndex == -1) imageIndex = imageList.add(image); pixbuf = imageList.getPixbuf(imageIndex); } int modelIndex = parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex; OS.gtk_list_store_set(parent.modelHandle, handle, modelIndex + Table.CELL_PIXBUF, pixbuf, -1); /* * Bug in GTK. When using fixed-height-mode, * row changes do not cause the row to be repainted. The fix is to * invalidate the row when it is cleared. */ if ((parent.style & SWT.VIRTUAL) != 0) { if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) { redraw(); } } /* * Bug in GTK. When in fixed height mode, GTK does not recalculate the cell renderer width * when the image is changed in the model. The fix is to force it to recalculate the width if * more space is required. */ if ((parent.style & SWT.VIRTUAL) != 0 && parent.currentItem == null) { if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2)) { if (image != null) { int /*long*/ parentHandle = parent.handle; int /*long*/ column = OS.gtk_tree_view_get_column(parentHandle, index); int[] w = new int[1]; int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column); OS.gtk_tree_view_column_cell_get_position(column, pixbufRenderer, null, w); if (w[0] < image.getBounds().width) { /* * There is no direct way to clear the cell renderer width so we * are relying on the fact that it is done as part of modifying * the style. */ int /*long*/ style = OS.gtk_widget_get_modifier_style(parentHandle); parent.modifyStyle(parentHandle, style); } } } } cached = true; }
Color _getForeground(int index) { int count = Math.max(1, parent.columnCount); if (0 > index || index > count - 1) return _getForeground(); int /*long*/[] ptr = new int /*long*/[1]; int modelIndex = parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex; OS.gtk_tree_model_get(parent.modelHandle, handle, modelIndex + Table.CELL_FOREGROUND, ptr, -1); if (ptr[0] == 0) return _getForeground(); GdkColor gdkColor = new GdkColor(); OS.memmove(gdkColor, ptr[0], GdkColor.sizeof); return Color.gtk_new(display, gdkColor); }
void setBounds(int x, int y, int width, int height, boolean move, boolean size) { redraw(); int headerHeight = parent.getBandHeight(); if (move) { if (imageHeight > headerHeight) { y += (imageHeight - headerHeight); } this.x = x; this.y = y; redraw(); } if (size) { this.width = width; this.height = height; redraw(); } if (control != null && !control.isDisposed()) { if (move) control.setLocation(x + BORDER, y + headerHeight); if (size) control.setSize(Math.max(0, width - 2 * BORDER), Math.max(0, height - BORDER)); } }
/** * Returns a rectangle describing the receiver's size and location relative to its parent. * * @return the receiver's bounding rectangle * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> */ public Rectangle getBounds() { checkWidget(); parent.forceResize(); long /*int*/ topHandle = topHandle(); int x, y, width, height; x = OS.GTK_WIDGET_X(topHandle); y = OS.GTK_WIDGET_Y(topHandle); width = OS.GTK_WIDGET_WIDTH(topHandle); height = OS.GTK_WIDGET_HEIGHT(topHandle); if ((parent.style & SWT.MIRRORED) != 0) x = parent.getClientWidth() - width - x; if ((style & SWT.SEPARATOR) != 0 && control != null) height = Math.max(height, 23); return new Rectangle(x, y, width, height); }
Image _getImage(int index) { int count = Math.max(1, parent.getColumnCount()); if (0 > index || index > count - 1) return null; int /*long*/[] ptr = new int /*long*/[1]; int modelIndex = parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex; OS.gtk_tree_model_get(parent.modelHandle, handle, modelIndex + Table.CELL_PIXBUF, ptr, -1); if (ptr[0] == 0) return null; ImageList imageList = parent.imageList; int imageIndex = imageList.indexOf(ptr[0]); if (imageIndex == -1) return null; return imageList.get(imageIndex); }
String _getText(int index) { int count = Math.max(1, parent.getColumnCount()); if (0 > index || index > count - 1) return ""; int /*long*/[] ptr = new int /*long*/[1]; int modelIndex = parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex; OS.gtk_tree_model_get(parent.modelHandle, handle, modelIndex + Table.CELL_TEXT, ptr, -1); if (ptr[0] == 0) return ""; int length = OS.strlen(ptr[0]); byte[] buffer = new byte[length]; OS.memmove(buffer, ptr[0], length); OS.g_free(ptr[0]); return new String(Converter.mbcsToWcs(null, buffer)); }
/** * Sets the receiver's text at a column * * @param index the column index * @param string the new text * @exception IllegalArgumentException * <ul> * <li>ERROR_NULL_ARGUMENT - if the text is null * </ul> * * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> */ public void setText(int index, String string) { checkWidget(); if (string == null) error(SWT.ERROR_NULL_ARGUMENT); if (_getText(index).equals(string)) return; int count = Math.max(1, parent.getColumnCount()); if (0 > index || index > count - 1) return; byte[] buffer = Converter.wcsToMbcs(null, string, true); int modelIndex = parent.columnCount == 0 ? Table.FIRST_COLUMN : parent.columns[index].modelIndex; OS.gtk_list_store_set(parent.modelHandle, handle, modelIndex + Table.CELL_TEXT, buffer, -1); /* * Bug in GTK. When using fixed-height-mode, * row changes do not cause the row to be repainted. The fix is to * invalidate the row when it is cleared. */ if ((parent.style & SWT.VIRTUAL) != 0) { if (OS.GTK_VERSION >= OS.VERSION(2, 3, 2) && OS.GTK_VERSION < OS.VERSION(2, 6, 3)) { redraw(); } } cached = true; }
void resizeControl(int yScroll) { if (control != null && !control.isDisposed()) { boolean visible = OS.gtk_expander_get_expanded(handle); if (visible) { int x = OS.GTK_WIDGET_X(clientHandle); int y = OS.GTK_WIDGET_Y(clientHandle); if (x != -1 && y != -1) { int width = OS.GTK_WIDGET_WIDTH(clientHandle); int height = OS.GTK_WIDGET_HEIGHT(clientHandle); int[] property = new int[1]; OS.gtk_widget_style_get(handle, OS.focus_line_width, property, 0); y += property[0] * 2; height -= property[0] * 2; /* * Feature in GTK. When the ExpandBar is resize too small the control * shows up on top of the vertical scrollbar. This happen because the * GtkExpander does not set the size of child smaller than the request * size of its parent and because the control is not parented in the * hierarchy of the GtkScrolledWindow. * The fix is calculate the width ourselves when the scrollbar is visible. */ ScrollBar vBar = parent.verticalBar; if (vBar != null) { if (OS.GTK_WIDGET_VISIBLE(vBar.handle)) { width = OS.GTK_WIDGET_WIDTH(parent.scrolledHandle) - parent.vScrollBarWidth() - 2 * parent.spacing; } } control.setBounds(x, y - yScroll, width, Math.max(0, height), true, true); } } control.setVisible(visible); } }
Image getDragSourceImage(DragSourceEvent event) { if (dragSourceImage != null) dragSourceImage.dispose(); dragSourceImage = null; Table table = (Table) control; if (OS.GTK_VERSION < OS.VERSION(2, 2, 0)) return null; // TEMPORARY CODE if (table.isListening(SWT.EraseItem) || table.isListening(SWT.PaintItem)) return null; /* * Bug in GTK. gtk_tree_selection_get_selected_rows() segmentation faults * in versions smaller than 2.2.4 if the model is NULL. The fix is * to give a valid pointer instead. */ long /*int*/ handle = table.handle; long /*int*/ selection = OS.gtk_tree_view_get_selection(handle); long /*int*/[] model = OS.GTK_VERSION < OS.VERSION(2, 2, 4) ? new long /*int*/[1] : null; long /*int*/ list = OS.gtk_tree_selection_get_selected_rows(selection, model); if (list == 0) return null; int count = Math.min(10, OS.g_list_length(list)); Display display = table.getDisplay(); if (count == 1) { long /*int*/ path = OS.g_list_nth_data(list, 0); long /*int*/ pixmap = OS.gtk_tree_view_create_row_drag_icon(handle, path); dragSourceImage = Image.gtk_new(display, SWT.ICON, pixmap, 0); } else { int width = 0, height = 0; int[] w = new int[1], h = new int[1]; int[] yy = new int[count], hh = new int[count]; long /*int*/[] pixmaps = new long /*int*/[count]; GdkRectangle rect = new GdkRectangle(); for (int i = 0; i < count; i++) { long /*int*/ path = OS.g_list_nth_data(list, i); OS.gtk_tree_view_get_cell_area(handle, path, 0, rect); pixmaps[i] = OS.gtk_tree_view_create_row_drag_icon(handle, path); OS.gdk_drawable_get_size(pixmaps[i], w, h); width = Math.max(width, w[0]); height = rect.y + h[0] - yy[0]; yy[i] = rect.y; hh[i] = h[0]; } long /*int*/ source = OS.gdk_pixmap_new(OS.GDK_ROOT_PARENT(), width, height, -1); long /*int*/ gcSource = OS.gdk_gc_new(source); long /*int*/ mask = OS.gdk_pixmap_new(OS.GDK_ROOT_PARENT(), width, height, 1); long /*int*/ gcMask = OS.gdk_gc_new(mask); GdkColor color = new GdkColor(); color.pixel = 0; OS.gdk_gc_set_foreground(gcMask, color); OS.gdk_draw_rectangle(mask, gcMask, 1, 0, 0, width, height); color.pixel = 1; OS.gdk_gc_set_foreground(gcMask, color); for (int i = 0; i < count; i++) { OS.gdk_draw_drawable(source, gcSource, pixmaps[i], 0, 0, 0, yy[i] - yy[0], -1, -1); OS.gdk_draw_rectangle(mask, gcMask, 1, 0, yy[i] - yy[0], width, hh[i]); OS.g_object_unref(pixmaps[i]); } OS.g_object_unref(gcSource); OS.g_object_unref(gcMask); dragSourceImage = Image.gtk_new(display, SWT.ICON, source, mask); } OS.g_list_free(list); return dragSourceImage; }
/** * Sets the single 'selection' that is the receiver's position to the argument which must be * greater than or equal to zero. * * @param value the new selection (must be zero or greater) * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> */ public void setSelection(int value) { checkWidget(); selection = Math.max(minimum, Math.min(maximum, value)); updateBar(selection, minimum, maximum); }
String parse(String string) { int length = string.length(); offsets = new Point[length / 4]; ids = new String[length / 4]; mnemonics = new int[length / 4 + 1]; StringBuffer result = new StringBuffer(); char[] buffer = new char[length]; string.getChars(0, string.length(), buffer, 0); int index = 0, state = 0, linkIndex = 0; int start = 0, tagStart = 0, linkStart = 0, endtagStart = 0, refStart = 0; while (index < length) { char c = Character.toLowerCase(buffer[index]); switch (state) { case 0: if (c == '<') { tagStart = index; state++; } break; case 1: if (c == 'a') state++; break; case 2: switch (c) { case 'h': state = 7; break; case '>': linkStart = index + 1; state++; break; default: if (Character.isWhitespace(c)) break; else state = 13; } break; case 3: if (c == '<') { endtagStart = index; state++; } break; case 4: state = c == '/' ? state + 1 : 3; break; case 5: state = c == 'a' ? state + 1 : 3; break; case 6: if (c == '>') { mnemonics[linkIndex] = parseMnemonics(buffer, start, tagStart, result); int offset = result.length(); parseMnemonics(buffer, linkStart, endtagStart, result); offsets[linkIndex] = new Point(offset, result.length() - 1); if (ids[linkIndex] == null) { ids[linkIndex] = new String(buffer, linkStart, endtagStart - linkStart); } linkIndex++; start = tagStart = linkStart = endtagStart = refStart = index + 1; state = 0; } else { state = 3; } break; case 7: state = c == 'r' ? state + 1 : 0; break; case 8: state = c == 'e' ? state + 1 : 0; break; case 9: state = c == 'f' ? state + 1 : 0; break; case 10: state = c == '=' ? state + 1 : 0; break; case 11: if (c == '"') { state++; refStart = index + 1; } else { state = 0; } break; case 12: if (c == '"') { ids[linkIndex] = new String(buffer, refStart, index - refStart); state = 2; } break; case 13: if (Character.isWhitespace(c)) { state = 0; } else if (c == '=') { state++; } break; case 14: state = c == '"' ? state + 1 : 0; break; case 15: if (c == '"') state = 2; break; default: state = 0; break; } index++; } if (start < length) { int tmp = parseMnemonics(buffer, start, tagStart, result); int mnemonic = parseMnemonics(buffer, Math.max(tagStart, linkStart), length, result); if (mnemonic == -1) mnemonic = tmp; mnemonics[linkIndex] = mnemonic; } else { mnemonics[linkIndex] = -1; } if (offsets.length != linkIndex) { Point[] newOffsets = new Point[linkIndex]; System.arraycopy(offsets, 0, newOffsets, 0, linkIndex); offsets = newOffsets; String[] newIDs = new String[linkIndex]; System.arraycopy(ids, 0, newIDs, 0, linkIndex); ids = newIDs; int[] newMnemonics = new int[linkIndex + 1]; System.arraycopy(mnemonics, 0, newMnemonics, 0, linkIndex + 1); mnemonics = newMnemonics; } return result.toString(); }
/** * Returns a rectangle describing the size and location relative to its parent of the text at a * column in the table. An empty rectangle is returned if index exceeds the index of the table's * last column. * * @param index the index that specifies the column * @return the receiver's bounding text rectangle * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> * * @since 3.3 */ public Rectangle getTextBounds(int index) { checkWidget(); if (!parent.checkData(this)) error(SWT.ERROR_WIDGET_DISPOSED); int count = Math.max(1, parent.getColumnCount()); if (0 > index || index > count - 1) return new Rectangle(0, 0, 0, 0); // TODO fully test on early and later versions of GTK // shifted a bit too far right on later versions of GTK - however, old Tree also had this // problem int /*long*/ parentHandle = parent.handle; int /*long*/ column = 0; if (index >= 0 && index < parent.columnCount) { column = parent.columns[index].handle; } else { column = OS.gtk_tree_view_get_column(parentHandle, index); } if (column == 0) return new Rectangle(0, 0, 0, 0); int /*long*/ textRenderer = parent.getTextRenderer(column); int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column); if (textRenderer == 0 || pixbufRenderer == 0) return new Rectangle(0, 0, 0, 0); int /*long*/ path = OS.gtk_tree_model_get_path(parent.modelHandle, handle); OS.gtk_widget_realize(parentHandle); boolean isExpander = OS.gtk_tree_model_iter_n_children(parent.modelHandle, handle) > 0; boolean isExpanded = OS.gtk_tree_view_row_expanded(parentHandle, path); OS.gtk_tree_view_column_cell_set_cell_data( column, parent.modelHandle, handle, isExpander, isExpanded); GdkRectangle rect = new GdkRectangle(); OS.gtk_tree_view_get_cell_area(parentHandle, path, column, rect); OS.gtk_tree_path_free(path); if ((parent.getStyle() & SWT.MIRRORED) != 0) rect.x = parent.getClientWidth() - rect.width - rect.x; int right = rect.x + rect.width; int[] x = new int[1], w = new int[1]; parent.ignoreSize = true; OS.gtk_cell_renderer_get_size(textRenderer, parentHandle, null, null, null, w, null); parent.ignoreSize = false; int[] buffer = new int[1]; if (OS.gtk_tree_view_get_expander_column(parentHandle) == column) { OS.gtk_widget_style_get(parentHandle, OS.expander_size, buffer, 0); rect.x += buffer[0] + TreeItem.EXPANDER_EXTRA_PADDING; } OS.gtk_widget_style_get(parentHandle, OS.horizontal_separator, buffer, 0); int horizontalSeparator = buffer[0]; rect.x += horizontalSeparator; if (OS.GTK_VERSION >= OS.VERSION(2, 1, 3)) { OS.gtk_tree_view_column_cell_get_position(column, textRenderer, x, null); rect.x += x[0]; } else { if ((parent.style & SWT.CHECK) != 0) { OS.gtk_cell_renderer_get_size( parent.checkRenderer, parentHandle, null, null, null, w, null); rect.x += w[0] + horizontalSeparator; } OS.gtk_cell_renderer_get_size(pixbufRenderer, parentHandle, null, null, null, w, null); rect.x += w[0] + horizontalSeparator; } if (parent.columnCount > 0) { if (rect.x + rect.width > right) { rect.width = Math.max(0, right - rect.x); } } int width = OS.gtk_tree_view_column_get_visible(column) ? rect.width + 1 : 0; return new Rectangle(rect.x, rect.y, width, rect.height + 1); }